InChI=1S/C21H32O6S/c1-12(22)14-6-7-15-13-4-5-17-19(23)18(27-28(24,25)26)9-11-21(17,3)16(13)8-10-20(14,15)2/h6,13,15-19,23H,4-5,7-11H2,1-3H3,(H,24,25,26)